CN110112751A - A kind of valve control interface system of expansible STATCOM converting link series connection series - Google Patents
A kind of valve control interface system of expansible STATCOM converting link series connection series Download PDFInfo
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- CN110112751A CN110112751A CN201910507067.7A CN201910507067A CN110112751A CN 110112751 A CN110112751 A CN 110112751A CN 201910507067 A CN201910507067 A CN 201910507067A CN 110112751 A CN110112751 A CN 110112751A
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- valve control
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
Abstract
This application discloses a kind of valve control interface systems of expansible STATCOM converting link series connection series, including STACOM controller, for receiving control instruction and exporting the first pulse signal；Pulse interface module for receiving the first pulse signal, and transmits the first pulse signal to RTDS interface module；Capacitance voltage for receiving the first pulse signal and determining capacitance voltage and reactive current according to the first pulse signal, and is transferred to pulse interface module, reactive current is transferred to real-time simulator by RTDS interface module；Real-time simulator, for receiving reactive current and determining alternating voltage and converting link electric current according to reactive current, alternating voltage and converting link electric current are transferred to pulse interface module by RTDS interface module, so that capacitance voltage, alternating voltage and converting link electric current are transferred to STACOM controller by pulse interface module, so that STACOM controller exports the second pulse signal to pulse interface module, system integrity and emulation accuracy are improved.
Description
Technical field
This application involves STACOM test platform technical fields, more particularly to a kind of expansible STATCOM converting link string
Join the valve control interface system of series.
Background technique
STACOM (Static Synchronous Compensator), i.e. static synchronous compensator refer to by from commutation
Electric semiconductor bridge-type current transformer carries out the device of dynamic passive compensation, can will from commutation bridge circuit by reactor or
Person is directly parallel on power grid, suitably adjusts the position phase of bridge circuit exchange side output voltage and amplitude or directly controls it
Electric current is surveyed in exchange, so that it may so that the circuit absorbs or issue the reactive current met the requirements, realize dynamic passive compensation.
STACOM is widely used in electric system, and STACOM has the voltage stability and reactive power support that improve power grid
Important meaning needs the STACOM pilot system to simulation Practical Project in order to which the effect to Practical Project system is tested
It is tested, to obtain the operational effect of Practical Project.With the fast development of power electronic technique, in practical projects
STACOM converting link series is more and more, existing STACOM pilot system can not accurately simulate with it is consistent in Practical Project
STACOM link series, STACOM pilot system is attached by the way of cable connection, complex interfaces, and is limited to
Real-time simulation resource can only be such that STACOM pilot system normally transports by reducing complexity and the real-time simulation resource of system
Therefore row, is tested and imperfect to test STACOM pilot system, the accuracy of STACOM pilot system emulation
Also not high.
Therefore, how STACOM pilot system, which simulates, links series with the consistent converting link of Practical Project, so that
The test of STACOM pilot system is more perfect, improves the accuracy of STACOM pilot system emulation.
Summary of the invention
The purpose of the application is to provide a kind of valve control interface system of expansible STATCOM converting link series connection series, to mention
The test completeness of high threshold control interface system.
In order to solve the above technical problems, the valve control that the application provides a kind of expansible STATCOM converting link series connection series connects
Port system, comprising:
STACOM controller, for receiving control instruction and exporting the first pulse signal；
Pulse interface module for receiving first pulse signal, and is transmitted first pulse signal and is connect to RTDS
Mouth mold block；
The RTDS interface module, for receiving first pulse signal and determining electricity according to first pulse signal
Hold voltage and reactive current, and the capacitance voltage is transferred to the pulse interface module, the reactive current is transferred to
Real-time simulator；
The real-time simulator, for receiving the reactive current and determining alternating voltage according to the reactive current and change
Chain electric current is flowed, and the alternating voltage and the converting link electric current are transferred to by the pulse by the RTDS interface module and connect
Mouth mold block, so that the capacitance voltage, the alternating voltage and the converting link electric current are transferred to by the pulse interface module
The STACOM controller, so that the STACOM controller exports the second pulse signal to the pulse interface module.
Optionally, the pulse interface module include the pulses switch module being made of several PU modules, rear panel module and
Expansion module；
The pulses switch module is transferred to for receiving first pulse signal, and by first pulse signal
The rear panel module, so that first pulse signal is transferred to the expansion module by the rear panel module；
The expansion module for receiving first pulse signal, and transmits first pulse signal to described
RTDS interface module.
Optionally, the RTDS interface module includes FPGA module and DSP module；
The FPGA module, for receiving first pulse signal and transmitting first pulse signal to DSP module；
The DSP module, for receiving first pulse signal and determining the electricity according to first pulse signal
Hold voltage and the reactive current, and the capacitance voltage and the reactive current are sent to the FPGA module, with toilet
It states FPGA module and the capacitance voltage and the reactive current is respectively sent to the expansion module and the real-time simulator.
Optionally, the expansion module collects the period of first pulse signal as 20 microseconds.
Optionally, the FPGA module uses the VC707 development board and the real-time simulator of the interface of optoelectronic transceiver containing SFP
Connection.
Optionally, the DSP module determines that power unit cascade series is 81 grades.
Optionally, the traffic rate of the rear panel module is in 1.6Gbps or more.
Optionally, the STACOM controller is also used to export the first pulse signal described in 9 tunnels simultaneously.
A kind of valve control interface system of expansible STATCOM converting link series connection series provided herein, including
STACOM controller, for receiving control instruction and exporting the first pulse signal；Pulse interface module, for receiving described first
Pulse signal, and first pulse signal is transmitted to RTDS interface module；The RTDS interface module, for receiving described
One pulse signal simultaneously determines capacitance voltage and reactive current according to first pulse signal, and the capacitance voltage is transferred to
The reactive current is transferred to real-time simulator by the pulse interface module；The real-time simulator, for receiving the nothing
Function electric current simultaneously determines alternating voltage and converting link electric current according to the reactive current, and will be described by the RTDS interface module
Alternating voltage and the converting link electric current are transferred to the pulse interface module, so that the pulse interface module is by the capacitor
Voltage, the alternating voltage and the converting link electric current are transferred to the STACOM controller, so that the STACOM controller
The second pulse signal is exported to the pulse interface module.
As it can be seen that the pulse interface module in the application valve control interface system can receive the first pulse of STACOM controller
Signal, and the first pulse signal is passed to RTDS interface module makes RTDS interface module that capacitance voltage and idle be calculated
Electric current, and capacitance voltage is on the one hand fed back into pulse interface module, reactive current is on the other hand transferred to real-time simulator,
Real-time simulator calculates to obtain alternating voltage and converting link electric current according to reactive current, and alternating voltage and converting link electric current is anti-
It feeds RTDS interface module, RTDS interface module and then gives alternating voltage and converting link current feedback to pulse interface module, arteries and veins
It rushes interface module and the capacitance voltage received, alternating voltage and converting link electric current is transferred to STACOM controller, and then make
STACOM controller exports the second pulse signal to pulse interface module, realizes the closed loop and data of entire valve control interface system
Interaction, improves the integrality of test and the accuracy of emulation.
Detailed description of the invention
It, below will be to embodiment or existing for the clearer technical solution for illustrating the embodiment of the present application or the prior art
Attached drawing needed in technical description is briefly described, it should be apparent that, the accompanying drawings in the following description is only this Shen
Some embodiments please for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of valve control interface system of expansible STATCOM converting link series connection series provided by the embodiment of the present application
The structural schematic diagram of system.
Specific embodiment
In order to make those skilled in the art more fully understand application scheme, with reference to the accompanying drawings and detailed description
The application is described in further detail.Obviously, described embodiments are only a part of embodiments of the present application, rather than
Whole embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, shall fall in the protection scope of this application.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other way, those skilled in the art can be without prejudice to intension of the present invention
In the case of do similar popularization, therefore the present invention is not limited by the specific embodiments disclosed below.
Just as described in the background section, existing valve control interface system can not accurately simulate and in Practical Project one
The STACOM of cause links series, valve control interface system can only be kept normal by reducing complexity and the real-time simulation resource of system
Therefore operation, is tested and imperfect to test valve control interface system, the accuracy of valve control interface system emulation
It is not high.
In view of this, this application provides a kind of valve control interface system of expansible STATCOM converting link series connection series,
I.e. a kind of STACOM pilot system, referring to FIG. 1, Fig. 1 is a kind of expansible STATCOM change of current provided by the embodiment of the present application
The structural schematic diagram of the valve control interface system of chain series connection series, comprising:
STACOM controller 1, for receiving control instruction and exporting the first pulse signal；
Specifically, the first pulse signal is PWM (Pulse Width Modulation, pulse width modulation) pulse letter
Number.
Pulse interface module 2 for receiving first pulse signal, and is transmitted first pulse signal and is connect to RTDS
Mouth mold block 3；
Specifically, the pulse interface module 2 includes the pulses switch module 21 being made of several PU modules, rear panel module
22 and expansion module 23；
The pulses switch module 21 is transmitted for receiving first pulse signal, and by first pulse signal
To the rear panel module 22, so that first pulse signal is transferred to the expansion module 23 by the rear panel module 22；Institute
Expansion module 23 is stated, for receiving first pulse signal, and transmits first pulse signal to the RTDS interface mould
Block 3.
It is understood that the first pulse signal that expansion module 23 receives is that rear panel module 22 is sent.
It should be noted that not doing specific limit to the quantity of PU (Pulse Unit, pulse unit) module in the present embodiment
It is fixed, can self-setting, a PU module is up to nine power cells, for three-phase STACOM, can averagely give every phase change of current
Chain is three power cells.
Wherein, transmitting-receiving optical port is provided in PU module, a pair of transmitting-receiving optical port corresponds to a power cell, at most settable nine
To transmitting-receiving optical port；Each of pulses switch module 21 PU module one end is connected with STACOM controller 1, the other end and backboard
Module 22 is connected；One end of expansion module 23 is connected with rear panel module 22, the other end and RTDS interface module 3 of expansion module 23
It is connected.Rear panel module 22 can produce synchronization signal for providing communication bus interconnection, clock synchronization and data exchange,
Keep the synchronism of the pwm pulse signal of all power cells.
Preferably, in one embodiment of the application, the traffic rate of the rear panel module 22 in 1.6Gbps or more,
Farthest to reduce the Time delay as caused by communicative reasons.
Preferably, in one embodiment of the application, the expansion module 23 collects the week of first pulse signal
Phase is 20 microseconds, and the sampling period of pwm pulse signal is 50 microseconds, and the period that expansion module 23 collects the first pulse signal is set
For 20 microseconds, it is ensured that the first pulse signal is transferred in RTDS interface module 3 by expansion module 23, is avoided the occurrence of data and is prolonged
When and communication mistake.
The RTDS interface module 3, for receiving first pulse signal and being determined according to first pulse signal
Capacitance voltage and reactive current, and the capacitance voltage is transferred to the pulse interface module 2, the reactive current is transmitted
To real-time simulator 4；
Wherein, RTDS (Real Time Digital Simulator) interface module is for simulating three-phase STACOM control
Power cell of device 1.
Specifically, the RTDS interface module 3 includes FPGA module 31 and DSP module 32；
The FPGA module 31, for receiving first pulse signal and transmitting first pulse signal to DSP mould
Block 32；
The DSP module 32, for receiving first pulse signal and according to first pulse signal determination
Capacitance voltage and the reactive current, and the capacitance voltage and the reactive current are sent to the FPGA module 31, with
Toilet states FPGA module 31 and the capacitance voltage and the reactive current is respectively sent to the expansion module 23 and the reality
When emulator 4.
Wherein, the first of FPGA (Field-Programmable Gate Array, field programmable gate array) module 31
End is connected with expansion module 23, the second end and DSP (Digital Signal Processing, digital signal of FPGA module 31
Processing) module 32 be connected, the third end of FPGA module 31 is connected with real-time simulator 4.
Specifically, capacitance voltage is transferred to expansion module by the Aurora agreement of high speed serial transmission by FPGA module 31
23。
Preferably, the DSP module 32 determines that power unit cascade series is 81 grades, the function of a phase STACOM controller 1
Rate unit has 27, and the power cell of three-phase STACOM controller 1 just has 81.
It should be pointed out that being not specifically limited in the present embodiment to the type of power cell, can voluntarily select.For example,
Power cell can be half-bridge power unit, or be full-bridge topology power cell.The series connection series of power cell is the change of current
The series connection series of chain, so, series of connecting with the consistent converting link of Practical Project can be simulated in the application valve control interface system
Up to 81 grades.
The real-time simulator 4, for receive the reactive current and according to the reactive current determine alternating voltage and
Converting link electric current, and the alternating voltage and the converting link electric current are transferred to by the arteries and veins by the RTDS interface module 3
Interface module 2 is rushed, so that the pulse interface module 2 is by the capacitance voltage, the alternating voltage and the converting link electric current
It is transferred to the STACOM controller 1, so that the STACOM controller 1 exports the second pulse signal to the pulse interface mould
Block 2.
Specifically, alternating voltage and converting link electric current is calculated in real-time simulator 4, and alternating voltage and converting link is electric
It spreads and is handed to FPGA module 31, and then make FPGA module 31 that alternating voltage and converting link electric current are transferred to expansion module 23, expand
Capacitance voltage, alternating voltage and converting link electric current are transferred to rear panel module 22, rear panel module 22 and then transmitting again by exhibition module 23
To pulses switch module 21, be finally transmitted to STACOM controller 1, STACOM controller 1 according to the capacitance voltage received, hand over
Galvanic electricity pressure and converting link electric current export the second pulse signal to pulse interface module 2.Wherein, the second pulse signal is pwm pulse
Signal
Pulse interface module 2 in the present embodiment valve control interface system can receive the first pulse of STACOM controller 1
Signal, and the first pulse signal is passed into RTDS interface module 3, make RTDS interface module 3 that capacitance voltage and nothing be calculated
Function electric current, and capacitance voltage is on the one hand fed back into pulse interface module 2, reactive current is on the other hand transferred to real-time simulation
Device 4, real-time simulator 4 calculate to obtain alternating voltage and converting link electric current according to reactive current, and by alternating voltage and converting link
Current feedback is to RTDS interface module 3, RTDS interface module 3 and then by alternating voltage and converting link current feedback to pulse interface
The capacitance voltage received, alternating voltage and converting link electric current are transferred to STACOM controller by module 2, pulse interface module 2
1, and then STACOM controller 1 is made to export the second pulse signal to pulse interface module 2, realize entire valve control interface system
Closed loop and data interaction improve the integrality of test and the accuracy of emulation.
Based on any of the above embodiments, in one embodiment of the application, the FPGA module 31, which uses, to be contained
The VC707 development board of SFP optoelectronic transceiver interface is connect with the real-time simulator 4, transmission rate 2Gbit/s, to guarantee light
The precision and accuracy of fiber communication.
Based on any of the above embodiments, in one embodiment of the application, the STACOM controller 1 is also used
The first pulse signal described in 9 tunnels of output simultaneously.
Specifically, STACOM controller 1 exports 9 the first pulse signals of tunnel to pulses switch module 21 simultaneously, per all the way the
One pulse signal indicates 4 kinds of switch states of a power cell by 00,01,10,11 two bit, and 00 and 01 indicates function
Rate unit bypass, 01 and 10 indicate that power cell is normal, generate the pulse signal of 9 power cells altogether, complete 9 road direct current mistakes
Pressure, direct current is under-voltage, in phase-shifting carrier wave failure, uplink communication data check failure, downlink communication data check failure, uplink communication
The detection of the failures such as disconnected, downlink communication interruption, i.e. valve control interface system can also complete bypass functionality and the control of simulation converting link
Function processed.
It should be pointed out that the normal operation of STACOM controller 1 needs at least to export 3 road pwm pulse signals, and PWM arteries and veins
The number for rushing signal needs multiple for 3.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with it is other
The difference of embodiment, same or similar part may refer to each other between each embodiment.For being filled disclosed in embodiment
For setting, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is referring to method part
Explanation.
A kind of valve control interface system of expansible STATCOM converting link series connection series provided herein is carried out above
It is discussed in detail.Specific examples are used herein to illustrate the principle and implementation manner of the present application, above embodiments
Explanation be merely used to help understand the present processes and its core concept.It should be pointed out that for the common of the art
For technical staff, under the premise of not departing from the application principle, can also to the application, some improvement and modification can also be carried out, these
Improvement and modification are also fallen into the protection scope of the claim of this application.
Claims (8)
1. a kind of valve control interface system of expansible STATCOM converting link series connection series characterized by comprising
STACOM controller, for receiving control instruction and exporting the first pulse signal；
Pulse interface module for receiving first pulse signal, and transmits first pulse signal to RTDS interface mould
Block；
The RTDS interface module, for receiving first pulse signal and determining capacitor electricity according to first pulse signal
Pressure and reactive current, and the capacitance voltage is transferred to the pulse interface module, the reactive current is transferred in real time
Emulator；
The real-time simulator, for receiving the reactive current and determining alternating voltage and converting link according to the reactive current
Electric current, and the alternating voltage and the converting link electric current are transferred to by the pulse interface mould by the RTDS interface module
Block, so as to the pulse interface module capacitance voltage, the alternating voltage and the converting link electric current be transferred to it is described
STACOM controller, so that the STACOM controller exports the second pulse signal to the pulse interface module.
2. valve control interface system as described in claim 1, which is characterized in that the pulse interface module includes by several PU moulds
Pulses switch module, rear panel module and the expansion module of block composition；
The pulses switch module for receiving first pulse signal, and first pulse signal is transferred to described
Rear panel module, so that first pulse signal is transferred to the expansion module by the rear panel module；
The expansion module for receiving first pulse signal, and transmits first pulse signal and connects to the RTDS
Mouth mold block.
3. valve control interface system as claimed in claim 2, which is characterized in that the RTDS interface module include FPGA module and
DSP module；
The FPGA module, for receiving first pulse signal and transmitting first pulse signal to the DSP module；
The DSP module, for receiving first pulse signal and determining the capacitor electricity according to first pulse signal
Pressure and the reactive current, and the capacitance voltage and the reactive current are sent to the FPGA module, so as to described
The capacitance voltage and the reactive current are respectively sent to the expansion module and the real-time simulator by FPGA module.
4. valve control interface system as claimed in claim 3, which is characterized in that the expansion module collects the first pulse letter
Number period be 20 microseconds.
5. valve control interface system as claimed in claim 4, which is characterized in that the FPGA module uses optoelectronic transceiver containing SFP
The VC707 development board of interface is connect with the real-time simulator.
6. valve control interface system as claimed in claim 5, which is characterized in that the DSP module determines power unit cascade grade
Number is 81 grades.
7. valve control interface system as claimed in claim 6, which is characterized in that the traffic rate of the rear panel module exists
More than 1.6Gbps.
8. valve control interface system as described in any one of claim 1 to 7, which is characterized in that the STACOM controller is also used
The first pulse signal described in 9 tunnels of output simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507067.7A CN110112751B (en) | 2019-06-12 | 2019-06-12 | Valve control interface system capable of expanding series stages of STATCOM (static synchronous compensator) converter chains |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910507067.7A CN110112751B (en) | 2019-06-12 | 2019-06-12 | Valve control interface system capable of expanding series stages of STATCOM (static synchronous compensator) converter chains |
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| Publication Number | Publication Date |
|---|---|
| CN110112751A true CN110112751A (en) | 2019-08-09 |
| CN110112751B CN110112751B (en) | 2021-06-11 |
Family
ID=67494795
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910507067.7A Active CN110112751B (en) | 2019-06-12 | 2019-06-12 | Valve control interface system capable of expanding series stages of STATCOM (static synchronous compensator) converter chains |
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| CN106774279A (en) * | 2017-01-23 | 2017-05-31 | 特变电工新疆新能源股份有限公司 | Converter valve control protective unit pilot system and method based on RTDS |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20130187663A1 (en) * | 2011-12-19 | 2013-07-25 | Rockwell Automation Technologies, Inc. | Low-voltage testing device for high-voltage frequency converter of serial superposition voltage type |
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